Computes an inverse square root of vector elements.
Syntax
FORTRAN:
call vsinvsqrt(n,a,y)
call vmsinvsqrt(n,a,y,mode)
call vdinvsqrt(n,a,y)
call vmdinvsqrt(n,a,y,mode)
C:
vsInvSqrt(n,a,y);
vmsInvSqrt(n,a,y,mode);
vdInvSqrt(n,a,y);
vmdInvSqrt(n,a,y,mode);
Input Parameters
Name | Type | Description |
|---|---|---|
n | FORTRAN 77:INTEGER Fortran 90:INTEGER, INTENT(IN) C:const int | Specifies the number of elements to be calculated. |
a | FORTRAN 77:REAL for vsinvsqrt, vmsinvsqrt DOUBLE PRECISION for vdinvsqrt, vmdinvsqrt Fortran 90:REAL, INTENT(IN) for vsinvsqrt, vmsinvsqrt DOUBLE PRECISION, INTENT(IN) for vdinvsqrt, vmdinvsqrt C:const float* for vsInvSqrt, vmsInvSqrt const double* for vdInvSqrt, vmdInvSqrt | FORTRAN: Array that specifies the input vector a. C: Pointer to an array that contains the input vector a. |
mode | FORTRAN 77:INTEGER*8 Fortran 90:INTEGER(KIND=8), INTENT(IN) C:const MKL_INT64 | Overrides global VML mode setting for this function call. See vmlSetMode for possible values and their description. |
Output Parameters
Name | Type | Description |
|---|---|---|
y | FORTRAN 77:REAL for vsinvsqrt, vmsinvsqrt DOUBLE PRECISION for vdinvsqrt, vmdinvsqrt Fortran 90:REAL, INTENT(OUT) for vsinvsqrt, vmsinvsqrt DOUBLE PRECISION, INTENT(OUT) for vdinvsqrt, vmdinvsqrt C:float* for vsInvSqrt, vmsInvSqrt double* for vdInvSqrt, vmdInvSqrt | FORTRAN: Array that specifies the output vector y. C: Pointer to an array that contains the output vector y. |
